Complex Exponential Signal in MATLAB | M-file

%Complex Exponential Signal in MATLAB

close all;

clc;

n=-20:20;

alfa=-0.1+0.3j;

x_n=exp(alfa*n);

subplot(4,1,1);

stem(n,real(x_n));

xlabel('Time Samples');

ylabel('Real Part');

subplot(4,1,2);

stem(n,imag(x_n));

xlabel('Time Samples');

ylabel('Imaginary Part');

subplot(4,1,3);

stem(n,abs(x_n));

xlabel('Time Samples');

ylabel('Magnitude');

subplot(4,1,4);

stem(n,angle(x_n));

xlabel('Time Samples');

ylabel('Phase');